diff --git a/biosteam/_system.py b/biosteam/_system.py
index 4aacf9ce..0a7311d2 100644
--- a/biosteam/_system.py
+++ b/biosteam/_system.py
@@ -129,7 +129,6 @@ def solve(self):
         try:
             values = solve(A, b).T
         except Exception as e:
-            breakpoint()
             for i in self.A:
                 print('--')
                 for i, j in i.items():